Fix zig_exe location in Build struct

Reflect Zig breaking changes as of https://github.com/ziglang/zig/commit/105db13536b4dc2affe130cb8d2eee6c97c89bcd

1 files changed, 1 insertions, 1 deletions

diff --git a/build.zig b/build.zig
index ea47f11..779b9e4 100644
--- a/build.zig
+++ b/build.zig
@@ -386,7 +386,7 @@ const ZiglingStep = struct {
         var zig_args = std.ArrayList([]const u8).init(b.allocator);
         defer zig_args.deinit();
 
-        zig_args.append(b.zig_exe) catch @panic("OOM");
+        zig_args.append(b.graph.zig_exe) catch @panic("OOM");
 
         const cmd = switch (self.exercise.kind) {
             .exe => "build-exe",